Standard Specification for Toluene Diisocyanate
STANDARD published on 1.7.2026
Designation standards: ASTM D1786-21(2026)
Publication date standards: 1.7.2026
The number of pages: 2
Approximate weight : 6 g (0.01 lbs)
Country: American technical standard
Category: Technical standards ASTM
This specification covers toluene diisocyanate used as an ingredient in the production of polyurethane cellular materials. The three classes of toluene diisocyanate covered in this specification are based on isomer ratio, and the three types are based on acidity and hydrolyzable chloride. Materials shall be tested and the individual grades shall conform to specified values of isomer ratio, purity, APHA color, and total chlorine.
Keywords:
polyurethane, raw materials, specification, TDI, toluene diisocyanate,, ICS Number Code 83.080.20 (Thermoplastic materials)